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Finding the Fourth Proportional to 26.05, 35.96 and 16.84

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Solution

The fourth proportional to 26.05, 35.96 and 16.84 is: 23.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.05 : 35.96 = 16.84 : x
  2. Step 2: Convert to fraction form
    26.05/35.96 = 16.84/x
  3. Step 3: Cross multiply
    26.05x = 35.96 × 16.84
  4. Step 4: Simplify right side
    26.05x = 605.57
  5. Step 5: Solve for x
    x = 605.57/26.05
  6. Step 6: Final answer
    x = 23.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.